Stage 5: Derive the logical data model
Knobit of Data modelling · K-570 · Knowledge
Explains an entity type as the realisation of one business concept
What it means
An entity type realises one glossary concept; its instances differ by values, not by type.
How it is assessed
Decides for sample entity pairs whether they are one concept, two, or one split by a value
Builds on
- None
Needed by
- Recognises overlapping entitiesK-527 · Skill
- Recognises one entity split by value into severalK-528 · Skill